JP5189456B2 - 多段増幅回路 - Google Patents
多段増幅回路 Download PDFInfo
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- JP5189456B2 JP5189456B2 JP2008265884A JP2008265884A JP5189456B2 JP 5189456 B2 JP5189456 B2 JP 5189456B2 JP 2008265884 A JP2008265884 A JP 2008265884A JP 2008265884 A JP2008265884 A JP 2008265884A JP 5189456 B2 JP5189456 B2 JP 5189456B2
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- amplifier circuit
- stage
- multistage amplifier
- amplifier
- field effect
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Description
Claims (3)
- 高周波信号を増幅する基地局用の多段増幅回路において、
多段に接続された複数の電界効果トランジスタと、
最終段一つ手前の電界効果トランジスタのゲートに接続された遅延回路と、
を有し、
前記多段増幅回路の電源投入時に、前記遅延回路は、ゲートバイアス電圧を予め決められた時間遅らせて前記ゲートに印加し、前記最終段一つ手前の電界効果トランジスタのゲートバイアス電圧の立ち上がりタイミングを、最終段の電界効果トランジスタのドレイン電圧の立ち上がりタイミングより遅延させることを特徴とする多段増幅回路。 - 請求項1に記載の多段増幅回路において、
前記遅延回路は、抵抗とコンデンサのRC積分回路を有することを特徴とする多段増幅回路。 - 請求項2に記載の多段増幅回路において、
前記最終段の電界効果トランジスタはGaAsFETであり、前記最終段一つ手前の電界効果トランジスタはLDMOSFETであることを特徴とする多段増幅回路。
Priority Applications (1)
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JP2008265884A JP5189456B2 (ja) | 2008-10-15 | 2008-10-15 | 多段増幅回路 |
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JP2008265884A JP5189456B2 (ja) | 2008-10-15 | 2008-10-15 | 多段増幅回路 |
Publications (2)
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JP2010098402A JP2010098402A (ja) | 2010-04-30 |
JP5189456B2 true JP5189456B2 (ja) | 2013-04-24 |
Family
ID=42259799
Family Applications (1)
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JP2008265884A Active JP5189456B2 (ja) | 2008-10-15 | 2008-10-15 | 多段増幅回路 |
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JP (1) | JP5189456B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2013150564A1 (ja) * | 2012-04-04 | 2015-12-14 | 三菱電機株式会社 | マルチモード・マルチバンド増幅器 |
US10020595B2 (en) | 2013-05-21 | 2018-07-10 | The Regents Of The University Of Michigan | Negative group delay circuit |
US10250197B1 (en) * | 2017-11-06 | 2019-04-02 | Nxp Usa, Inc. | Multiple-stage power amplifiers implemented with multiple semiconductor technologies |
EP3480945A1 (en) | 2017-11-06 | 2019-05-08 | NXP USA, Inc. | Multiple-stage power amplifiers implemented with multiple semiconductor technologies |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0936669A (ja) * | 1995-07-21 | 1997-02-07 | Nec Eng Ltd | 多段fet増幅器のゲートバイアス回路 |
JP2005229268A (ja) * | 2004-02-12 | 2005-08-25 | Renesas Technology Corp | 高周波電力増幅回路および無線通信システム |
JP2005229267A (ja) * | 2004-02-12 | 2005-08-25 | Renesas Technology Corp | 高周波電力増幅回路および無線通信システム |
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- 2008-10-15 JP JP2008265884A patent/JP5189456B2/ja active Active
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JP2010098402A (ja) | 2010-04-30 |
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